Begin switching to JSpecify annotations (#11448)

* Begin switching to JSpecify annotations

* more

* fixes

patches/api/0281-Add-PufferFishStateChangeEvent.patch

@@ -6,10 +6,10 @@ Subject: [PATCH] Add PufferFishStateChangeEvent
 
 diff --git a/src/main/java/io/papermc/paper/event/entity/PufferFishStateChangeEvent.java b/src/main/java/io/papermc/paper/event/entity/PufferFishStateChangeEvent.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..4e04b49c1e2bc2a965c9be2388539d9ed5a58f89
+index 0000000000000000000000000000000000000000..b4521d64eefd8f871f8ce78734e6626896e8b0d0
 --- /dev/null
 +++ b/src/main/java/io/papermc/paper/event/entity/PufferFishStateChangeEvent.java
-@@ -0,0 +1,87 @@
+@@ -0,0 +1,85 @@
 +package io.papermc.paper.event.entity;
 +
 +import org.bukkit.entity.PufferFish;
@@ -17,11 +17,12 @@ index 0000000000000000000000000000000000000000..4e04b49c1e2bc2a965c9be2388539d9e
 +import org.bukkit.event.HandlerList;
 +import org.bukkit.event.entity.EntityEvent;
 +import org.jetbrains.annotations.ApiStatus;
-+import org.jetbrains.annotations.NotNull;
++import org.jspecify.annotations.NullMarked;
 +
 +/**
 + * Called just before a {@link PufferFish} inflates or deflates.
 + */
++@NullMarked
 +public class PufferFishStateChangeEvent extends EntityEvent implements Cancellable {
 +
 +    private static final HandlerList HANDLER_LIST = new HandlerList();
@@ -30,12 +31,11 @@ index 0000000000000000000000000000000000000000..4e04b49c1e2bc2a965c9be2388539d9e
 +    private boolean cancelled;
 +
 +    @ApiStatus.Internal
-+    public PufferFishStateChangeEvent(@NotNull PufferFish entity, int newPuffState) {
++    public PufferFishStateChangeEvent(final PufferFish entity, final int newPuffState) {
 +        super(entity);
 +        this.newPuffState = newPuffState;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public PufferFish getEntity() {
 +        return (PufferFish) super.getEntity();
@@ -77,7 +77,7 @@ index 0000000000000000000000000000000000000000..4e04b49c1e2bc2a965c9be2388539d9e
 +     * @param cancel {@code true} if you wish to cancel the (in/de)flation
 +     */
 +    @Override
-+    public void setCancelled(boolean cancel) {
++    public void setCancelled(final boolean cancel) {
 +        this.cancelled = cancel;
 +    }
 +
@@ -86,13 +86,11 @@ index 0000000000000000000000000000000000000000..4e04b49c1e2bc2a965c9be2388539d9e
 +        return this.cancelled;
 +    }
 +
-+    @NotNull
 +    @Override
 +    public HandlerList getHandlers() {
 +        return HANDLER_LIST;
 +    }
 +
-+    @NotNull
 +    public static HandlerList getHandlerList() {
 +        return HANDLER_LIST;
 +    }